PCl3、POCl3的部分性质如下:
熔点/℃
沸点/℃
其他
PCl3
-112
75.5
遇水生成H3PO3和HCl
POCl3
2
105.3
遇水生成H3PO4和HCl
某兴趣小组模拟该工艺设计实验装置如下(某些夹持装置、加热装置已略去) :
补充句子
The sentence structure of "I saw him run into the building" is .
A: Who ____ (stop) to look at the flower yesterday?
B:My sister.